Home / 152,956.20-229,434.30-99,812.10

Finding the Fourth Proportional to 152,956.20, 229,434.30 and 99,812.10

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Solution

The fourth proportional to 152,956.20, 229,434.30 and 99,812.10 is: 149,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,956.20 : 229,434.30 = 99,812.10 : x
  2. Step 2: Convert to fraction form
    152,956.20/229,434.30 = 99,812.10/x
  3. Step 3: Cross multiply
    152,956.20x = 229,434.30 × 99,812.10
  4. Step 4: Simplify right side
    152,956.20x = 22,900,319,295.03
  5. Step 5: Solve for x
    x = 22,900,319,295.03/152,956.20
  6. Step 6: Final answer
    x = 149,718.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.